Pith Number

pith:353H2TL6

pith:2018:353H2TL6EMNYLPF2OT6UTARMHK

not attested not anchored not stored refs pending

From Steklov to Neumann and beyond, via Robin: the Szeg\H{o} way

Pedro Freitas, Richard S. Laugesen

arxiv:1811.05573 v2 · 2018-11-13 · math.SP · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{353H2TL6EMNYLPF2OT6UTARMHK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:52:15.237905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df767d4d7e231b85bcba74fd49822c3ab2c843afd9b5da6d70ac1364cd0249b0

Aliases

arxiv: 1811.05573 · arxiv_version: 1811.05573v2 · doi: 10.48550/arxiv.1811.05573 · pith_short_12: 353H2TL6EMNY · pith_short_16: 353H2TL6EMNYLPF2 · pith_short_8: 353H2TL6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/353H2TL6EMNYLPF2OT6UTARMHK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: df767d4d7e231b85bcba74fd49822c3ab2c843afd9b5da6d70ac1364cd0249b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1f0bd12bc31ffd16c8edd6564f2221bcdb23474d92d6e4f83d51725a8fe3d65",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2018-11-13T23:48:24Z",
    "title_canon_sha256": "13da1ecb4b96a0aca0e49b6ef9056e1f73df72959a8d1a961b6dbcecfbb2859c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05573",
    "kind": "arxiv",
    "version": 2
  }
}